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ContractorsRanked

Emergency Plumbers in McHenry, IL (2026)

Top 50 of 426 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 plumbers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

The short answer

  1. 1

    #1 for emergency plumbing in McHenry: Black Diamond Plumbing & Mechanical Inc., open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency plumbers in McHenry at a glance

Top emergency plumbers in McHenry at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Black Diamond Plumbing & Mechanical Inc.914.9★ (6,580)McHenry24/7
2Roto-Rooter Plumbing & Water Cleanup914.9★ (1,119)Crystal Lake, 6 mi away24/7
3Tidy Tank Plumbing, Sewer, and Septic904.9★ (1,127)Crystal Lake, 8 mi away24/7
4Ex-Stink Plumbing & Sewer904.9★ (639)Fox Lake, 6 mi away24/7
5J. Blanton Plumbing, Sewer & Drain904.7★ (467)McHenry24/7
6JCB Plumbing, LLC904.9★ (452)Wauconda, 7 mi away24/7
7Mr. Rooter Plumbing of McHenry County894.6★ (591)Fox Lake, 3 mi away24/7
8S and J Plumbing & Sewer894.9★ (3,937)Arlington Heights, 19 mi away24/7
9Carlos & Brothers Plumbing & Sewer894.9★ (83)Fox Lake, 1 mi away24/7
10Excellent Plumbing895.0★ (520)Lake Zurich, 13 mi away24/7

Call an emergency plumber in McHenry now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency plumbers in McHenry, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 426 is on the plumbers page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  10. #10 Excellent Plumbing

    Based in Lake Zurich, 13 mi away

    89/100CR Score

    Ranked #10 because of its Google rating and availability: 5.0★ from 520 Google reviews, open 24/7.

    • 5.0★ from 520 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    785 Oakwood Rd Suite E101, Lake Zurich, IL 60047
    View profile for Excellent Plumbing(847) 868-1800

  12. #12 1-Tom-Plumber

    Based in Lake in the Hills, 10 mi away

    89/100CR Score

    Ranked #12 because of its Google rating and availability: 4.9★ from 368 Google reviews, open 24/7.

    • 4.9★ from 368 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9200 Pyott Rd, Lake in the Hills, IL 60156
    View profile for 1-Tom-Plumber(815) 900-2223

  15. #15 ASAP Plumbing

    Based in Woodstock, 11 mi away

    88/100CR Score

    Ranked #15 because of its Google rating and availability: 4.9★ from 395 Google reviews, open 24/7.

    • 4.9★ from 395 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1258 N Rose Farm Rd Unit 1, Woodstock, IL 60098
    View profile for ASAP Plumbing(815) 201-2940

Top 50 of 426 plumbers by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

plumbers in McHenry, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Advantage Plumbing, Heating & Air Conditioning874.7★ (4,045)22 mi
27Roto-Rooter Plumbing & Water Cleanup874.8★ (2,118)22 mi
28Wally Blanton Plumbing and Sewer874.7★ (887)15 mi
29Allegiance Service Group, Inc.875.0★ (49)6 mi
30Restore Plumbing and Drain874.9★ (686)19 mi
31AquaPro Plumbing875.0★ (166)14 mi
32Hansen Heating, Plumbing & Air874.9★ (244)15 mi
33Intelligent Service: Plumbing, Heating, Cooling & Drain Cleaning874.9★ (61)7 mi
34Fly Plumbing864.9★ (994)23 mi
35J. Blanton Plumbing, Sewer & Drain864.8★ (244)14 mi
36TJ's Plumbing & Home Services865.0★ (28)5 mi
37A Right Price Plumbing & Sewer Company Inc.865.0★ (149)10 mi
38ABC Plumbing, Sewer, Heating, Cooling & Electric864.7★ (22,524)20 mi
39Allegiance Service Group, Inc865.0★ (29)6 mi
40Aqua Knight Plumbing, Sewer, HVAC Services & Protection864.9★ (310)18 mi
41Countryside Plumbing Sewer and Septic864.9★ (122)13 mi
42A.C.T. Plumbing & Property Management, Inc.865.0★ (171)17 mi
43Duane Blanton Plumbing, Sewer, Heating & Cooling864.7★ (2,290)9 mi
44High Standard Plumbing865.0★ (98)14 mi
45Kelsey Mechanical864.8★ (23)5 mi
46Lifeline Plumbing, Heating & Cooling864.9★ (3,222)17 mi
47Plumb Tidy864.9★ (34)7 mi
48Alexander Plumbing865.0★ (229)21 mi
49Capps Plumbing & Sewer Inc.864.7★ (1,332)23 mi
50Drain & Plumbing Services864.8★ (710)22 mi

How we ranked emergency plumbers in McHenry

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency plumbers in McHenry: questions

Which plumbers in McHenry are open 24/7?

25 on this list post 24/7 hours, including Black Diamond Plumbing & Mechanical Inc., Roto-Rooter Plumbing & Water Cleanup, Tidy Tank Plumbing, Sewer, and Septic, Ex-Stink Plumbing & Sewer and J. Blanton Plumbing, Sewer & Drain.

Who is ranked #1 for emergency plumbing in McHenry, IL?

Black Diamond Plumbing & Mechanical Inc. is #1, with a CR Score of 91 out of 100 on emergency weights.

How are emergency plumbers in McHenry ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the plumber arrives?

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

How many emergency plumbers here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for McHenry

  1. October 2026: CR Scores recalculated for 426 plumbers serving McHenry.
  2. October 2026: 1 duplicate listing merged.

More emergency and plumbing pages